23073493 has 2 divisors, whose sum is σ = 23073494. Its totient is φ = 23073492.

The previous prime is 23073481. The next prime is 23073503. The reversal of 23073493 is 39437032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13965169 + 9108324 = 3737^2 + 3018^2 .

It is a cyclic number.

It is not a de Polignac number, because 23073493 - 2⁹ = 23072981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23073443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11536746 + 11536747.

It is an arithmetic number, because the mean of its divisors is an integer number (11536747).

Almost surely, 2^23073493 is an apocalyptic number.

It is an amenable number.

23073493 is a deficient number, since it is larger than the sum of its proper divisors (1).

23073493 is an equidigital number, since it uses as much as digits as its factorization.

23073493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 23073493 is about 4803.4875871600. The cubic root of 23073493 is about 284.6892807337.

The spelling of 23073493 in words is "twenty-three million, seventy-three thousand, four hundred ninety-three".